Convert US MPG to Imperial MPG
Convert US MPG to imperial MPG instantly. Type a value below, check the formula and table, then see how the same mpg (US) to mpg (imp) conversion looks as a single line in Notes Calculator.
US MPG to Imperial MPG formula
One mile per US gallon is 1.20095 imperial MPG, so mpg (imp) = mpg (US) × 1.20095. For the reverse, multiply imperial MPG by 0.832674, or use the Imperial MPG to US MPG converter.
US MPG to Imperial MPG conversion table
| US MPG (mpg (US)) | Imperial MPG (mpg (imp)) |
|---|---|
| 5 | 6.00475 |
| 10 | 12.0095 |
| 15 | 18.0142 |
| 20 | 24.019 |
| 25 | 30.0237 |
| 30 | 36.0285 |
| 35 | 42.0332 |
| 40 | 48.038 |
| 50 | 60.0475 |
| 60 | 72.057 |
| 80 | 96.076 |
US MPG to Imperial MPG in Notes Calculator
Notes Calculator is a notepad that does math. Write 100 mpgUS to mpg on any line and the answer appears beside it. Change the number and the result follows. The same works with in and as, and with values stored in variables, so a whole estimate can mix US MPG and imperial MPG without a separate converter.
| Note | Result |
|---|---|
| 100 mpgUS to mpg | 120.09 mpg |
| 100 mpgUS in mpg | 120.09 mpg |
| 20 mpg as mpgUS | 16.65 mpgUS |
See the unit conversion docs for mixing units in one expression, or open the free web app and try it.
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FAQ
Frequently asked questions
- One mile per US gallon equals 1.20095 imperial MPG. To convert US MPG to imperial MPG, multiply by 1.20095; to go back, multiply by 0.832674.
- Type the value, the unit, and the target unit on one line: 100 mpgUS to mpg. The keywords to, in, and as all work, and the result updates as you type. You can also keep the value in a variable and convert it later.
- Yes. The converter on this page is free, and Notes Calculator has a free plan for the web, Mac, Windows, Linux, and Android with the same unit conversions built in.
How many imperial MPG are in one mile per US gallon?
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Convert US MPG to imperial MPG without leaving your notes.
Notes Calculator is free to start and runs in your browser. Units, currencies, percentages, and variables in one plain-text notepad.
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